NCIt definition : A medical scale designed to classify human feces into seven categories by form.;
Alternative definition : CDISC: Bristol Stool Form Scale (BSFS) (Lewis SJ, Heaton KW. Stool form scale as a
useful guide to intestinal transit time. Scand J Gastroenterol. 1997 Sep;32(9):920-4.
Copyright by ROME Foundation. All rights reserved).;